Collateral frictions have a profound effect on our economic landscape, ranging from the design of financial securities, laws, institutions, to various rules and regulations. We analyze a model with disagreement, where securities and collateral requirements are endogenous. It shows that the...

We analyze financial intermediation chains in a search economy, which is populated by investors with heterogeneous valuations of an asset. In equilibrium, investors with moderate valuations choose to be intermediaries, while those with extreme valuations are their customers. The average length...

This paper analyzes financial intermediation chains in a search model with an endogenous intermediary sector. We show that the chain length and price dispersion among interdealer trades are decreasing in search cost, search speed, and market size but increasing in investors' trading needs. Using...